Progressively contacting switch
US-10879023-B1 · Dec 29, 2020 · US
Auxiliary contacts on to which the arc is transferred from the main contacts (using arcing horns H01H33/20)
Auxiliary contacts on to which the arc is transferred from the main contacts (using arcing horns H01H33/20) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01H33/12 |
| Official title | Auxiliary contacts on to which the arc is transferred from the main contacts (using arcing horns H01H33/20) |
| Display label | Auxiliary contacts on to which the arc is transferred from the main contacts (using arcing horns H01H33/20) |
| Total patents | 98 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 16 |
| 2017 | 7 |
| 2018 | 6 |
| 2019 | 12 |
| 2020 | 10 |
| 2021 | 8 |
| 2022 | 8 |
| 2023 | 4 |
| 2024 | 8 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Progressively contacting switch
US-2020395179-A1 · Dec 17, 2020 · US
Contact system for electrical current conduction and bus transfer switching in a switchgear
US-2020365352-A1 · Nov 19, 2020 · US
Electric switch limiter pole and dc electric switch comprising such a limiter pole
US-2020357585-A1 · Nov 12, 2020 · US
Gas circuit breaker
US-2020273647-A1 · Aug 27, 2020 · US
Switch and method for disconnecting a switch
US-10720291-B2 · Jul 21, 2020 · US
Switch
US-10566155-B2 · Feb 18, 2020 · US
Switch
US-2019371546-A1 · Dec 5, 2019 · US
Switch
US-10395855-B2 · Aug 27, 2019 · US
Electrical interruption device
US-2019252139-A1 · Aug 15, 2019 · US
Superconducting DC circuit breaker using arcing induction
US-10373784-B2 · Aug 6, 2019 · US
Gas blast switch comprising an optimized gas storage chamber
US-10347446-B2 · Jul 9, 2019 · US
Switch and method for disconnecting a switch
US-2019198272-A1 · Jun 27, 2019 · US
Hvdc disconnector
US-2019122841-A1 · Apr 25, 2019 · US
Gas-insulated low- or medium-voltage load break switch
US-2019115174-A1 · Apr 18, 2019 · US
Switch
US-2019108950-A1 · Apr 11, 2019 · US
Switchgear
US-10256058-B2 · Apr 9, 2019 · US
Electric arc-blast nozzle and a circuit breaker including such a nozzle
US-10236146-B2 · Mar 19, 2019 · US
Current connection and/or cut-off device comprising permanent contacts with reduced wear
US-10186389-B2 · Jan 22, 2019 · US
Gas blast switch comprising an optimized gas storage chamber
US-2018342363-A1 · Nov 29, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01H33/12?
- CPC H01H33/12 is the Cooperative Patent Classification code for “Auxiliary contacts on to which the arc is transferred from the main contacts (using arcing horns H01H33/20).”
- How many patents are filed under CPC H01H33/12 (Auxiliary contacts on to which the arc is transferred from the main contacts (using arcing horns H01H33/20))?
- Our database includes 98 publications tagged with this CPC code.
- Is patent activity under CPC H01H33/12 growing?
- Publication counts under this code: 8 in 2024 vs 6 in 2025 (latest complete years).